Comprehensive study on the amount of CO2 absorbed by vegetation: A case study in Ho Chi Minh city, VietnamTruong Nguyen X, Phan Cao H H, Hao Nguyen N, Huyen Duong T T, Nhat Tran T, Khang Q Bui and Van Ho T TE3S Web Conf., 304 (2021) 03009DOI: https://doi.org/10.1051/e3sconf/202130403009